Replacement Filter
$35
Replacement for the original antimicrobial-protected filter that ships with your Windmill AC unit. Reusable and easily cleaned by rinsing under the sink.
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Terms of Sale apply. Taxes and shipping calculated at checkout. *If auto-refills selected, billing of $48/year occurs when annual pack (4 filters) ships 3mo. after purchase, then annually; cancel any time.
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Step 1 - Window type
We need to make sure your window can hold an AC unit safely. It must be a single- or double-hung window (it should slide up and down) and be in good condition. Does this describe your window?
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Step 2 - Window Size
Great! Let’s figure out window size. The Windmill AC is designed to fit windows with a width of 23-37 inches and a vertical opening of at least 14 inches. Sounds accurate?
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Step 3 - Space Size
OK, what's the approximate size of your space? Best guess is fine!
Small
(100-250 Square ft.)
Medium
(250-350 Square ft.)
Large
(350+ Square ft.)
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